import java.util.Scanner;

public class KeyDemo01 {
    public static void main(String[] args) {
        System.out.println("helloworld");
        System.out.println();

        Scanner scan = new Scanner(System.in);


        for (int i = 0; i < 3; i++) {
            if (i == 3) {
                System.out.println("abc");
            }
        }

    }

    public static void method() {
        int x = 3;
        if (x % 2 == 0) {

        }
    }
}
